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4-OCUCHh
IMOCHl Japanese
croaker
ISH
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bulb.olf.
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lob.inf.
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teCt
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N.5.
acu_lat.a
——saovas.
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C cbl.
îï‘\Ë
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N.8
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emm.gran.
-
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——\_ crist.cbl.
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N 9
N9
10
lob_Vag_
[Ob'Vag'
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med.ob.
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med.sp.
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5mm
lateral
ventral
dorsal
L___—-———————J
Descriptive notes
Adults attain about 40 cm in body length
ŸËÊ
lï’l\ë<
lâîË< à<
lë
somewhat deep and compressed.
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There are concavities behind the eyes.
il
Nostrils large; snout developed into strong curve.
<
This species resembles Nibea M1'tsukurii but there is no
5
jagged projections on preopercle.
Dorsal surface silver-white with indistinct black spots on
opercle.
Nocturnal fish living at the sandy and muddy bottoms of
the coastal waters.
Eat at night small marine animals around the bottom of
the sea located by means of olfactory sense.
Extent of migration narrow.
Swimming movement slow.
Fish are known to produce
croaking sound in the spawning season.
Found in the coastal waters of south of Japan and south
Korea.
Caught by long lines and bottom set nets.
Bulbus olfactorius large and closely adhered to lobus
olfactorius.
Lobus olfactorius is divided into upper and
lower parts.
Lobus inferior expanded laterally.
Lobus opticus comparatively small.
Corpus cerebelli not
large and elongated posteriorly.
Eminentia granularis and crista cerebelli are remarkable
because of their long egg—like shapes and extremely large
sizes.
//
/
///
{
.
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140—141